1 1/2 in x 24 in x 48 in Calcium Silicate High Temperature Insulation MPN:684704
1 1/2 in x 24 in x 48 in Calcium Silicate High Temperature Insulation
Protect high-temperature equipment and industrial processes with Johns Manville's 1 1/2 in x 24 in x 48 in Calcium Silicate High Temperature Insulation. This durable, unfaced insulation board provides excellent thermal performance and stability up to 1,700°F, making it ideal for use in industrial furnaces, kilns, and ovens. Its closed-cell structure minimizes water vapor absorption, reducing the risk of degradation and extending its lifespan. Suitable for a wide range of applications, including power generation, steel production, and ceramics manufacturing, this insulation board offers reliable protection and optimal performance in extreme temperature environments.
Top product features:
- Closed-cell foam structure provides high temperature resistance
- Density of 40 lb/cu ft offers improved insulation performance
- Maximum operating temperature of 1,700 Degrees F allows for use in extreme heat applications
Top product applications:
- Industrial Furnace Insulation
- High Temperature Boiler Insulation
- Petroleum Refinery Insulation
High Temperature Insulation, Density 40 lb/cu ft, Facing Material Unfaced, Flexibility Not Applicable, Foam Cell Type Closed, Form Board, Insulation Color White, Insulation Material Calcium Silicate, Maximum Operating Temperature 1,700 Degrees F, Minimum Operating Temperature 0 Degrees F, Overall Length 24 in, Width 4 ft, R Value 1.54, Thickness 1 1/2 in, Standards ASTM C656, C795, E119, E136, E72, E84, NFPA251, UL 1479, UL 1709, UL 263, Water Vapor Absorption Minimal
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 270 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 50.94
- Package Width: 24.88
- Package Height: 2.38
- Package Weight: 96.00
Product info last updated on February 11, 2026 11:35pm UTC
Category: Heating Equipment